Finding the Fourth Proportional to 22,049.94, 30,428.94 and 11,978.37

Step by Step Solution

1. Step 1: Write the proportion equation
   22,049.94 : 30,428.94 = 11,978.37 : x
2. Step 2: Convert to fraction form
   22,049.94/30,428.94 = 11,978.37/x
3. Step 3: Cross multiply
   22,049.94x = 30,428.94 × 11,978.37
4. Step 4: Simplify right side
   22,049.94x = 364,489,102.03
5. Step 5: Solve for x
   x = 364,489,102.03/22,049.94
6. Step 6: Final answer
   x = 16,530.16